Additional Balance Sheet Information - Components of Balance Sheet Amounts (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts Receivable:
Joint interest billings	$ 1,902	$ 2,475
Trade receivables	1,429	1,073
Oil and gas sales	11,154	3,469
Other	94	802
Accounts Receivable, Gross	14,579	7,819
Less: Allowance for doubtful accounts	(371)	(598)
Total	14,208	7,221
Accounts Payable:
Trade	2,390	876
Royalty and other owners	2,802	3,569
Partner advances	1,209	193
Other	881	579
Total	7,282	5,217
Accrued Liabilities:
Compensation and related expenses	3,919	3,331
Property costs	2,901	2,056
Taxes	893	1,016
Other	108	384
Total	$ 7,821	$ 6,787

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Current portion of accounts receivable attributable to joint interest partners in oil and gas properties. These are billings to the non-operators associated with the operation of wells and are based on those owners' working interests in the wells. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

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